251249544

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1300

約数の個数: 192

約数和(自身を含む): 865213440

約数和(自身を除く): 613963896

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 31, 36, 39, 42, 52, 56, 62, 63, 72, 78, 84, 91, 93, 104, 117, 124, 126, 156, 168, 182, 186, 217, 234, 248, 252, 273, 279, 312, 364, 372, 403, 434, 468, 504, 546, 558, 651, 728, 744, 806, 819, 868, 936, 1092, 1116, 1209, 1237, 1302, 1612, 1638, 1736, 1953, 2184, 2232, 2418, 2474, 2604, 2821, 3224, 3276, 3627, 3711, 3906, 4836, 4948, 5208, 5642, 6552, 7254, 7422, 7812, 8463, 8659, 9672, 9896, 11133, 11284, 14508, 14844, 15624, 16081, 16926, 17318, 22266, 22568, 25389, 25977, 29016, 29688, 32162, 33852, 34636, 38347, 44532, 48243, 50778, 51954, 64324, 67704, 69272, 76694, 77931, 89064, 96486, 101556, 103908, 112567, 115041, 128648, 144729, 153388, 155862, 192972, 203112, 207816, 225134, 230082, 268429, 289458, 306776, 311724, 337701, 345123, 385944, 450268, 460164, 498511, 536858, 578916, 623448, 675402, 690246, 805287, 900536, 920328, 997022, 1013103, 1073716, 1157832, 1350804, 1380492, 1495533, 1610574, 1994044, 2026206, 2147432, 2415861, 2701608, 2760984, 2991066, 3221148, 3489577, 3988088, 4052412, 4486599, 4831722, 5982132, 6442296, 6979154, 8104824, 8973198, 9663444, 10468731, 11964264, 13958308, 17946396, 19326888, 20937462, 27916616, 31406193, 35892792, 41874924, 62812386, 83749848, 125624772, 251249544]

約数ペア:

[(1, 251249544), (2, 125624772), (3, 83749848), (4, 62812386), (6, 41874924), (7, 35892792), (8, 31406193), (9, 27916616), (12, 20937462), (13, 19326888), (14, 17946396), (18, 13958308), (21, 11964264), (24, 10468731), (26, 9663444), (28, 8973198), (31, 8104824), (36, 6979154), (39, 6442296), (42, 5982132), (52, 4831722), (56, 4486599), (62, 4052412), (63, 3988088), (72, 3489577), (78, 3221148), (84, 2991066), (91, 2760984), (93, 2701608), (104, 2415861), (117, 2147432), (124, 2026206), (126, 1994044), (156, 1610574), (168, 1495533), (182, 1380492), (186, 1350804), (217, 1157832), (234, 1073716), (248, 1013103), (252, 997022), (273, 920328), (279, 900536), (312, 805287), (364, 690246), (372, 675402), (403, 623448), (434, 578916), (468, 536858), (504, 498511), (546, 460164), (558, 450268), (651, 385944), (728, 345123), (744, 337701), (806, 311724), (819, 306776), (868, 289458), (936, 268429), (1092, 230082), (1116, 225134), (1209, 207816), (1237, 203112), (1302, 192972), (1612, 155862), (1638, 153388), (1736, 144729), (1953, 128648), (2184, 115041), (2232, 112567), (2418, 103908), (2474, 101556), (2604, 96486), (2821, 89064), (3224, 77931), (3276, 76694), (3627, 69272), (3711, 67704), (3906, 64324), (4836, 51954), (4948, 50778), (5208, 48243), (5642, 44532), (6552, 38347), (7254, 34636), (7422, 33852), (7812, 32162), (8463, 29688), (8659, 29016), (9672, 25977), (9896, 25389), (11133, 22568), (11284, 22266), (14508, 17318), (14844, 16926), (15624, 16081)]